Home / 39,639.64-54,703.34-23,724.76

Finding the Fourth Proportional to 39,639.64, 54,703.34 and 23,724.76

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Solution

The fourth proportional to 39,639.64, 54,703.34 and 23,724.76 is: 32,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.64 : 54,703.34 = 23,724.76 : x
  2. Step 2: Convert to fraction form
    39,639.64/54,703.34 = 23,724.76/x
  3. Step 3: Cross multiply
    39,639.64x = 54,703.34 × 23,724.76
  4. Step 4: Simplify right side
    39,639.64x = 1,297,823,612.70
  5. Step 5: Solve for x
    x = 1,297,823,612.70/39,639.64
  6. Step 6: Final answer
    x = 32,740.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.